ClinVar Miner

Submissions for variant NM_000535.6(PMS2):c.(?_-1)_2006+?dup

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000196319 SCV000254592 uncertain significance Lynch syndrome 2015-05-14 criteria provided, single submitter clinical testing This variant is a gross duplication of the genomic region encompassing at least exons 1-11 of the PMS2 gene. The 5' and 3' ends of this event are unknown as it extends to both edges of the assayed region; we do not assay exons 12-15 of this gene; the event may represent a whole gene duplication. While the exact position of the duplicated exons cannot be determined from this data, it may occur in tandem and result in an absent or disrupted protein product. This variant has not been published in the literature and is not present in population databases. A duplication encompassing at least exons 1-12 of the PMS2 gene has been reported in a patient diagnosed with colorectal cancer (CRC) and found to have high levels of microsatellite instability (MSI) and loss of PMS2 protein in the tumor (PMID: 22120844). In summary, this is a rare multi-exonic duplication with uncertain impact on PMS2 protein function. It has been classified as a Variant of Uncertain Significance.

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